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Abstract Title:

Mangiferin ameliorates Porphyromonas gingivalis-induced experimental periodontitis by inhibiting phosphorylation of nuclear factor-κB and Janus kinase 1-signal transducer and activator of transcription signaling pathways.

Abstract Source:

J Periodontal Res. 2016 Jan 30. Epub 2016 Jan 30. PMID: 26825585

Abstract Author(s):

H Li, Q Wang, Y Ding, C Bao, W Li

Article Affiliation:

H Li

Abstract:

BACKGROUND AND OBJECTIVE: Mangiferin is a natural polyphenol compound with anti-inflammatory properties. However, there have been few reports on the effect of mangiferin on periodontitis. Here, we investigated the anti-inflammatory effects of this compound on experimental periodontitis and the underlying mechanisms.

MATERIAL AND METHODS: Mice were inoculated with Porphyromonas gingivalis to induce periodontitis, and treated with mangiferin orally (50 mg/kg bodyweight, once a day) for 8 wk. Then, the alveolar bone loss was examined using a scanning electronic microscope. Expression of tumor necrosis factor-α (TNF-α) and the phosphorylation levels of nuclear factor-κB (NF-κB) and Janus kinase 1-signal transducer and activator of adhesion (JAK1-STAT) pathways in the gingival epithelium were detected using western blot analysis and immunohistochemical staining.

RESULTS: The results showed that mice with periodontitis exhibited greater alveolar bone loss, stronger expression of TNF-α and higher phosphorylation levels of NF-κB and JAK1-STAT1/3 pathways in gingival epithelia, compared with control mice with no periodontitis. Moreover, treatment with mangiferin could significantly inhibit alveolar bone loss, TNF-α production and phosphorylation of NF-κB and JAK1-STAT1/3 pathways in gingival epithelia.

CONCLUSION: Mangiferin has anti-inflammatory effects on periodontitis, which is associated with its ability to down-regulate the phosphorylation of NF-κB and JAK1-STAT1/3 pathways in gingival epithelia.

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Sayer Ji
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